.installation {
  margin-top: 157px;
  margin-bottom: 70px;
}

.installation__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.installation__title {
  font-family: "Open Sans";
  font-size: 48px;
  font-weight: 600;
  color: #00adb5;
}

.installation__points {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: li;
}
.installation__point {
  font-family: "Open Sans";
  font-size: 15px;
  font-weight: 500;
  color: #393e46;
  border: 2px solid #dddddd;
  background: #fafafa;
  position: relative;
  margin-bottom: 20px;
  padding: 16px 10px;
  -webkit-transition-duration: 0.4s;
  transition-duration: 0.4s;
}
.installation__point:hover {
  z-index: 1;
  border: 2px solid #00adb5;
}
.installation__point:before {
  border: 2px solid #00adb5;
  position: absolute;
  top: -14px;
  padding: 2px 10px;
  font-size: 11px;
  font-weight: bold;
  color: #337ab7;
  background: #f7fafd;
  counter-increment: li;
  content: counter(li);
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
}
.installation__point:hover:before {
  border: 2px solid #00adb5;
  background: #00adb5;
  color: #fff;
  -webkit-transform: translate(-12px, 0);
  -ms-transform: translate(-12px, 0);
  -o-transform: translate(-12px, 0);
  transform: translate(-12px, 0);
}
.installation__point:after {
  content: "";
  position: absolute;
  -webkit-transition-duration: 0.4s;
  transition-duration: 0.4s;
  -webkit-transition-property: width;
  transition-property: width;
  z-index: -1;
  background: #f0f5fb;
  height: 100%;
  left: 0;
  top: 0;
  width: 0;
}
.installation__point:hover:after {
  width: 100%;
}

.installation__point span {
  color: #00adb5;
}
